Video-Assisted Patient Education and Eye Fixation Training in Pterygium Surgery

Condition(s) studied

Investigational drug(s) / intervention(s)

Video-Assisted Patient Education: An 8-to-10-minute two-stage audiovisual preparation module administered on a standard tablet prior to pterygium surgery. Stage 1 involves ERAS-based cognitive preparation, including 2D animations of pterygium surgery and local anesthesia, audiovisual desensitization to operating room lights and monitor beeps, and postoperative eye care instructions. Stage 2 consists of interactive eye fixation and motor compliance training, where participants follow voice prompts to track a moving red target without moving their heads, followed by static gaze fixation exercises held for 1 to 3 minutes to improve intraoperative surgical compliance.

Study summary

This randomized controlled trial aims to investigate the effects of preoperative video-assisted patient education combined with eye position fixation training on anxiety, pain, intraoperative compliance, operation duration, and physiological parameters in adult patients undergoing primary pterygium surgery under local anesthesia. A total of 152 patients aged 18 to 75 years scheduled for primary pterygium excision with conjunctival autograft will be randomly assigned to either the intervention group (n = 76) or the control group (n = 76). Patients in the intervention group will receive an 8-to-10-minute tablet-based audiovisual surgical preparation module prior to surgery. This module consists of two stages: (1) cognitive preparation based on Enhanced Recovery After Surgery (ERAS) principles, including 2D animations of the procedure, desensitization to operating room sights and sounds, and postoperative care instructions; and (2) interactive eye position fixation and motor compliance training. Patients in the control group will receive standard routine verbal preoperative information. Anxiety levels, pain intensity, and physiological parameters (blood pressure, heart rate, respiratory rate, and oxygen saturation) will be assessed preoperatively and postoperatively. Intraoperative patient compliance and surgical comfort will be evaluated immediately after surgery by a blinded surgeon, along with total operation duration and intraoperative physiological parameters.

Eligibility

Primary outcome measure(s)

• State Anxiety — Preoperatively (baseline, in the waiting area before surgery) and postoperatively (10 minutes after transfer to the ward following surgery)
  State anxiety is assessed using the State Anxiety Inventory (STAI Form TX-1), developed by Spielberger et al. The scale consists of 20 items designed to measure situational/transient anxiety. Each item is rated on a 4-point Likert scale ranging from 1 ("not at all") to 4 ("very much so"). Total scores range from 20 to 80, with higher scores indicating greater levels of acute anxiety.

Trial sites (1)

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